| 摘要 |
A developing device includes a developer carrying member opposed to an electrostatic latent image carrier and carrying developer on its surface, a sealing member in contact with a surface of each end of the developer carrying member, and a developer entry preventing filler interposed between the developer carrying member and the sealing member for preventing entry of the developer, and containing fine powder. The fine powder has a volume average particle diameter of 1 mu m or less, and is made of an organic or inorganic material. The filler may contain silicon oil or grease.
|
